How Many Types Of Quadrilaterals Are ThereA quadrilateral is a figure bounded by four line segments such that no three of them are parallel. Two sides of quadrilateral are consecutive or adjacent sides, if they have a common point (vertex). Two sides of a quadrilateral are opposite sides, if they have no common end-point (vertex). The consecutive angles of a … [Read more...] about How Many Types Of Quadrilaterals Are There